Exec using API

Gopkg.lock

@@ -3,7 +3,10 @@
 
 [[projects]]
   name = "github.com/Azure/go-ansiterm"
-  packages = [".","winterm"]
+  packages = [
+    ".",
+    "winterm"
+  ]
   revision = "fa152c58bc15761d0200cb75fe958b89a9d4888e"
 
 [[projects]]
@@ -36,13 +39,44 @@
 
 [[projects]]
   name = "github.com/coreos/go-systemd"
-  packages = ["dbus","util"]
+  packages = [
+    "dbus",
+    "util"
+  ]
   revision = "b4a58d95188dd092ae20072bac14cece0e67c388"
   version = "v4"
 
 [[projects]]
   name = "github.com/docker/docker"
-  packages = ["api/types","api/types/blkiodev","api/types/container","api/types/filters","api/types/mount","api/types/network","api/types/registry","api/types/strslice","api/types/swarm","api/types/versions","opts","pkg/archive","pkg/fileutils","pkg/homedir","pkg/idtools","pkg/ioutils","pkg/jsonlog","pkg/jsonmessage","pkg/longpath","pkg/mount","pkg/pools","pkg/promise","pkg/stdcopy","pkg/symlink","pkg/system","pkg/term","pkg/term/windows"]
+  packages = [
+    "api/types",
+    "api/types/blkiodev",
+    "api/types/container",
+    "api/types/filters",
+    "api/types/mount",
+    "api/types/network",
+    "api/types/registry",
+    "api/types/strslice",
+    "api/types/swarm",
+    "api/types/versions",
+    "opts",
+    "pkg/archive",
+    "pkg/fileutils",
+    "pkg/homedir",
+    "pkg/idtools",
+    "pkg/ioutils",
+    "pkg/jsonlog",
+    "pkg/jsonmessage",
+    "pkg/longpath",
+    "pkg/mount",
+    "pkg/pools",
+    "pkg/promise",
+    "pkg/stdcopy",
+    "pkg/symlink",
+    "pkg/system",
+    "pkg/term",
+    "pkg/term/windows"
+  ]
   revision = "90d35abf7b3535c1c319c872900fbd76374e521c"
   version = "v17.05.0-ce-rc3"
 
@@ -128,7 +162,24 @@
 
 [[projects]]
   name = "github.com/opencontainers/runc"
-  packages = ["libcontainer","libcontainer/apparmor","libcontainer/cgroups","libcontainer/cgroups/fs","libcontainer/cgroups/systemd","libcontainer/configs","libcontainer/configs/validate","libcontainer/criurpc","libcontainer/keys","libcontainer/label","libcontainer/seccomp","libcontainer/selinux","libcontainer/stacktrace","libcontainer/system","libcontainer/user","libcontainer/utils"]
+  packages = [
+    "libcontainer",
+    "libcontainer/apparmor",
+    "libcontainer/cgroups",
+    "libcontainer/cgroups/fs",
+    "libcontainer/cgroups/systemd",
+    "libcontainer/configs",
+    "libcontainer/configs/validate",
+    "libcontainer/criurpc",
+    "libcontainer/keys",
+    "libcontainer/label",
+    "libcontainer/seccomp",
+    "libcontainer/selinux",
+    "libcontainer/stacktrace",
+    "libcontainer/system",
+    "libcontainer/user",
+    "libcontainer/utils"
+  ]
   revision = "baf6536d6259209c3edfa2b22237af82942d3dfa"
   version = "v0.1.1"
 
@@ -144,22 +195,31 @@
 
 [[projects]]
   name = "github.com/vishvananda/netlink"
-  packages = [".","nl"]
+  packages = [
+    ".",
+    "nl"
+  ]
   revision = "1e2e08e8a2dcdacaae3f14ac44c5cfa31361f270"
 
 [[projects]]
   name = "golang.org/x/net"
-  packages = ["context","context/ctxhttp"]
+  packages = [
+    "context",
+    "context/ctxhttp"
+  ]
   revision = "a6577fac2d73be281a500b310739095313165611"
 
 [[projects]]
   name = "golang.org/x/sys"
-  packages = ["unix","windows"]
+  packages = [
+    "unix",
+    "windows"
+  ]
   revision = "99f16d856c9836c42d24e7ab64ea72916925fa97"
 
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "a21d4c707f08f26de894adbdd00d5d6e82a54f5e0f52566229dd2da9b94e26ec"
+  inputs-digest = "f46f5c696ecb0b0c42a38dac512df21fc1f5fb2bfda888434e005e69d1b6273b"
   solver-name = "gps-cdcl"
   solver-version = 1

connector/manager/docker.go

@@ -3,6 +3,7 @@ package manager
 import (
 	"fmt"
 	api "github.com/fsouza/go-dockerclient"
+	"os"
 )
 
 type Docker struct {
@@ -17,6 +18,28 @@ func NewDocker(client *api.Client, id string) *Docker {
 	}
 }
 
+func (dc *Docker) Exec(cmd []string) error {
+	execCmd, err := dc.client.CreateExec(api.CreateExecOptions{
+		AttachStdin:  true,
+		AttachStdout: true,
+		AttachStderr: true,
+		Cmd:          cmd,
+		Container:    dc.id,
+		Tty:          true,
+	})
+
+	if err != nil {
+		return err
+	}
+
+	return dc.client.StartExec(execCmd.ID, api.StartExecOptions{
+		InputStream:  os.Stdin,
+		OutputStream: os.Stdout,
+		ErrorStream:  os.Stderr,
+		RawTerminal:  true,
+	})
+}
+
 func (dc *Docker) Start() error {
 	c, err := dc.client.InspectContainer(dc.id)
 	if err != nil {

connector/manager/main.go

@@ -7,4 +7,5 @@ type Manager interface {
 	Pause() error
 	Unpause() error
 	Restart() error
+	Exec(cmd []string) error
 }

connector/manager/mock.go

@@ -29,3 +29,7 @@ func (m *Mock) Unpause() error {
 func (m *Mock) Restart() error {
 	return nil
 }
+
+func (m *Mock) Exec(cmd []string) error {
+	return nil
+}

connector/manager/runc.go

@@ -29,3 +29,7 @@ func (rc *Runc) Unpause() error {
 func (rc *Runc) Restart() error {
 	return nil
 }
+
+func (rc *Runc) Exec(cmd []string) error {
+	return nil
+}

container/main.go

@@ -149,3 +149,7 @@ func (c *Container) Restart() {
 		}
 	}
 }
+
+func (c *Container) Exec(cmd []string) error {
+	return c.manager.Exec(cmd)
+}

menus.go

@@ -2,8 +2,6 @@ package main
 
 import (
 	"fmt"
-	"os"
-	"os/exec"
 	"time"
 
 	"github.com/bcicen/ctop/config"
@@ -225,13 +223,7 @@ func ExecSh() MenuFn {
 	ui.StopLoop()
 	defer ui.Loop()
 
-	// Reset colors && clear screen && run sh
-	cmdName := fmt.Sprintf("echo '\033[0m' && clear && docker exec -it %s sh", c.GetMeta("name"))
-	cmd := exec.Command("bash", "-c", cmdName)
-	cmd.Stdout = os.Stdout
-	cmd.Stdin = os.Stdin
-	cmd.Stderr = os.Stderr
-	cmd.Run()
+	c.Exec([]string{"sh", "-c", "echo '\033[0m' && clear && sh"})
 
 	return nil
 }